Wow, what a find!
I have found some real holy grail of Nintendo NES collectibles! I believe i am the only person in the world that has this many of these special games that were never meant to get into the hands of the public.
Official Nintendo Discover A Lot More

Short clip showing seamlessly looping video played by a Raspberry pi, demoing a solution that removes any hesitation between video loops on Raspbian (Wheezy). Gapless transition from end of loop to beginning happens at 0:14. This is ideal for a video Discover A Lot More